Coil pack question
#7
FIRST TIME ROTA OWNA
Join Date: Aug 2007
Location: AUCKLAND N.Z
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Bad Idle
Found marks on coils whilst trying to sort out poor idle problem. I thought the marks on mine (white marks) was a sign they were on the way out, pissed me off as they were replaced only 1200k's ago .However Mazda dealer says this is a normal marking ??? and cured bad idle probs by cleaning throttle body!
#8
I HATE SPEEDBUMPS!
#11
Out of NYC
iTrader: (1)
Found marks on coils whilst trying to sort out poor idle problem. I thought the marks on mine (white marks) was a sign they were on the way out, pissed me off as they were replaced only 1200k's ago .However Mazda dealer says this is a normal marking ??? and cured bad idle probs by cleaning throttle body!
Whoa ... 1200 K miles ago ... so your car has 1,200,000 miles !!!! that's a holy record !!! I thought our odo only has 6 digit space ?
You should, a slowly degrading coils will kill your CAT (and engine)
#12
Registered
Jake - the shop manual has a procedure for testing coils. You can find copies on line...search this site for posts with links. If your time is valuable, it probably makes more sense to just replace the coils rather than go through that procedure. I believe there's a TSB with more info, and a specific debunking of the idea that burn marks on the bottom mean anything.
Ken
#15
Out of NYC
iTrader: (1)
They drive really long distances in countries that use kilometers instead of miles.
Jake - the shop manual has a procedure for testing coils. You can find copies on line...search this site for posts with links. If your time is valuable, it probably makes more sense to just replace the coils rather than go through that procedure. I believe there's a TSB with more info, and a specific debunking of the idea that burn marks on the bottom mean anything.
Ken
Jake - the shop manual has a procedure for testing coils. You can find copies on line...search this site for posts with links. If your time is valuable, it probably makes more sense to just replace the coils rather than go through that procedure. I believe there's a TSB with more info, and a specific debunking of the idea that burn marks on the bottom mean anything.
Ken
I tried it with mine a while ago, its throwing misfire but its within spec. changed the coils to new one no more misfire (and the plugs were couple thousand miles old only, and I pull it out to look at it, still good)
Last edited by nycgps; 05-05-2011 at 12:59 PM.
#18
Rx7 and now Rx8
Join Date: Jun 2006
Location: Tucson, AZ
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#19
Out of NYC
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Heat is always an enemy to any electronic devices.
Its not the first time that the coils were "too close" to the engine(HEAATTTTT), Ask FD guys where their coils are mount (assume they still have it) and you will wonder "wtf" is Mazda thinking (sometimes)
FC location was good, the coils are strong ... way too strong for its "stock" power level. too bad I can't use it for my FE, dunno if its even possible *go hug my FC's coil* maybe I should look at it later. (I never dig into the electronic side of things on the 8 yet)
Its not the first time that the coils were "too close" to the engine(HEAATTTTT), Ask FD guys where their coils are mount (assume they still have it) and you will wonder "wtf" is Mazda thinking (sometimes)
FC location was good, the coils are strong ... way too strong for its "stock" power level. too bad I can't use it for my FE, dunno if its even possible *go hug my FC's coil* maybe I should look at it later. (I never dig into the electronic side of things on the 8 yet)
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